3748. [func] Use delve to test dns_client interfaces. [RT #35383]

bin/tests/system/dnssec/ns1/sign.sh

@@ -71,8 +71,3 @@ cp managed.conf ../ns4/managed.conf
 keyid=`expr $keyname : 'K.+001+\(.*\)'`
 keyid=`expr $keyid + 0`
 echo "$keyid" > managed.key.id
-cat $keyname.key | grep -v '^; ' | $PERL -n -e '
-local ($dn, $class, $type, $flags, $proto, $alg, @rest) = split;
-local $key = join("", @rest);
-print "-a $alg -e -k $dn -K $key\n"
-' > resolve.key